activity
20172026
most citedClash of Titans: The Impact of Cluster Mergers in the Galaxy Cluster Red Sequence

5 citations · 19 across the 9 of their papers we have counts for

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Showing astro-ph.GAShow all

10 papers · 1 filter

astro-ph.GA2026

X-ray emission maps and scaling relations in IllustrisTNG and MillenniumTNG: Differences between cluster and group regimes

Franklin Aldás, Facundo A. Gómez, Volker Springel +3

X-ray observations are a primary probe of the intracluster medium, widely used to infer galaxy cluster masses and scaling relations. We present and validate a pipeline to generate…

astro-ph.GA2026

Something green beneath the surface: The dynamical nature of Fossil Structures in IllustrisTNG-100

Mary Verdugo-Santos, Facundo A. Gómez, Diego Pallero +2

Fossil structures (FS) have traditionally been considered dynamically relaxed end-products of group evolution, characterized by a large magnitude gap (). However,…

astro-ph.GA2024★ 4 cited

Differences in the Physical Properties of Satellite Galaxies within Relaxed and Disturbed Galaxy Groups and Clusters

F. Aldás, Facundo A. Gómez, C. Vega-Martínez +2

Galaxy groups and clusters are the most massive collapsed structures in the Universe. Those structures are formed by collapsing with other smaller structures. Groups and cluster me…

astro-ph.GA2023★ 5 cited

Clash of Titans: The Impact of Cluster Mergers in the Galaxy Cluster Red Sequence

Franklin Aldás, Alfredo Zenteno, Facundo Gómez +4

Merging of galaxy clusters are some of the most energetic events in the Universe, and they provide a unique environment to study galaxy evolution. We use a sample of 84 merging and…

astro-ph.GA2021★ 5 cited

Clash of Titans: a MUSE dynamical study of the extreme cluster merger SPT-CL J0307-6225

D. Hernández-Lang, A. Zenteno, A. Diaz-Ocampo +23

We present VLT/MUSE spectroscopy, along with archival Gemini/GMOS spectroscopy, Magellan/Megacam imaging, and Chandra X-ray emission for SPT-CL J0305-6225, a z=0.58 major merging g…

astro-ph.GA2018

Magnetic field constraint in the outskirts of spiral galaxies

Ericson López, Jairo Armijos, Mario Llerena +1

Based on CO(2-1) public data, we study the monoxide oxygen gas excitation conditions and the magnetic field strength of NGC 2841, NGC 3077, NGC 3184, NGC 3351 spiral galaxies. For…

astro-ph.GA2018★ 3 cited

Study of diffuse HII regions potentially forming part of the gas streams around Sgr A*

J. Armijos-Abendaño, E. López, J. Martín-Pintado +8

We present a study of diffuse extended ionised gas toward three clouds located in the Galactic Centre (GC). One line of sight (LOS) is toward the 20 km s cloud (LOS0.11)…

astro-ph.GA2017

The HI Distribution Observed toward a Halo Region of the Milky Way

Ericson López, Jairo Armijos, Mario Llerena +1

We use observations of the neutral atomic hydrogen (HI) 21-cm emission line to study the spatial distribution of the HI gas in a 8090 region of the Galaxy…

astro-ph.GA2017★ 2 cited

Upper Limits to Magnetic Fields in the Outskirts of Galaxies

Ericson López, Jairo Armijos-Abendaño, Mario Llerena +1

Based on CO(2-1) public data, we study the monoxide oxygen gas excitation conditions and the magnetic field strength of four spiral galaxies. For the galaxy outskirts, we found kin…

astro-ph.GA2017

Dust Deficiency in the Interacting Galaxy NGC 3077

Jairo Armijos-Abendaño, Ericson López, Mario Llerena +2

Using 70 m observations taken with the PACS instrument of the Herschel space telescope, the dust content of the nearby and interacting spiral galaxy NGC 3077 has been compared…